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Finding the Fourth Proportional to 606,627.77, 909,862.34 and 180,154.80

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Solution

The fourth proportional to 606,627.77, 909,862.34 and 180,154.80 is: 270,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,627.77 : 909,862.34 = 180,154.80 : x
  2. Step 2: Convert to fraction form
    606,627.77/909,862.34 = 180,154.80/x
  3. Step 3: Cross multiply
    606,627.77x = 909,862.34 × 180,154.80
  4. Step 4: Simplify right side
    606,627.77x = 163,916,066,989.46
  5. Step 5: Solve for x
    x = 163,916,066,989.46/606,627.77
  6. Step 6: Final answer
    x = 270,208.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.